move frv docs one level up

My first guess for "fujitsu" was it might be related to the
fujitsu-laptop.c driver...

Move the frv directory one level up since frv is the name of the
architecture in the Linux kernel.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/arch/frv/lib/atomic-ops.S b/arch/frv/lib/atomic-ops.S
index 545cd32..ee0ac90 100644
--- a/arch/frv/lib/atomic-ops.S
+++ b/arch/frv/lib/atomic-ops.S
@@ -1,7 +1,7 @@
 /* atomic-ops.S: kernel atomic operations
  *
  * For an explanation of how atomic ops work in this arch, see:
- *   Documentation/fujitsu/frv/atomic-ops.txt
+ *   Documentation/frv/atomic-ops.txt
  *
  * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)